package com.zzyl.nursing.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.zzyl.nursing.vo.ReservationVo;
import org.apache.ibatis.annotations.Mapper;

import java.time.LocalDateTime;
import java.util.List;
import com.zzyl.nursing.domain.Reservation;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.springframework.security.core.parameters.P;

/**
 * 预约信息Mapper接口
 * 
 * @author ruoyi
 * @date 2025-08-02
 */
@Mapper
public interface ReservationMapper extends BaseMapper<Reservation>
{
    /**
     * 查询预约信息
     * 
     * @param id 预约信息主键
     * @return 预约信息
     */
    public Reservation selectReservationById(Long id);

    /**
     * 查询预约信息列表
     * 
     * @param reservation 预约信息
     * @return 预约信息集合
     */
    public List<Reservation> selectReservationList(Reservation reservation);

    /**
     * 新增预约信息
     * 
     * @param reservation 预约信息
     * @return 结果
     */
    public int insertReservation(Reservation reservation);

    /**
     * 修改预约信息
     * 
     * @param reservation 预约信息
     * @return 结果
     */
    public int updateReservation(Reservation reservation);

    /**
     * 删除预约信息
     * 
     * @param id 预约信息主键
     * @return 结果
     */
    public int deleteReservationById(Long id);

    /**
     * 批量删除预约信息
     * 
     * @param ids 需要删除的数据主键集合
     * @return 结果
     */
    public int deleteReservationByIds(Long[] ids);
    @Select("SELECT COUNT(*) FROM reservation WHERE status = 2 AND update_by = #{userId} AND update_time >= #{startTime} AND update_time < #{endTime}")
    Integer countCancelledReservations(@Param("userId")long userId,
                                       @Param("startTime") LocalDateTime startTime,
                                       @Param("endTime") LocalDateTime endTime);
    /**
     * 查询每个时间段剩余预约次数
     *
     * @param startTime,endTime
     * @return 结果
     */
    @Select("select time, 6 - count(*) as count from reservation where time between #{startTime} and #{endTime} and status != 2 group by time;")
    List<ReservationVo> countByTime(@Param("startTime") LocalDateTime startTime,
                                    @Param("endTime") LocalDateTime endTime);
}
